<!DOCTYPE html>
<html>
	<head>
		<title>
			Calculator
		</title>
		<!--<style>
			input 
			{
				text-align:center;
				border:0px solid;
				background-color:SlateGray;
				color:MediumTurquoise;
				font-weight:bold;
				font-size:20px;
				font-family:lucida console;
			}
			table
			{
				text-align:center;
				border:2px solid MediumTurquoise;
				background-color:SlateGray;
				border-collapse:collapse;
				width:150px;
				height:240px
			}
			td
			{
				border:2px solid MediumTurquoise;
				padding:0px;
			}
		</style>-->
	</head>
	<body>
		<div>
			<table border="1" style="text-align:center;" >
				<tr >
					<td colspan="4">
						<input type="text" value="123" style="text-align:right;">
					</td>
				</tr>
				<tr>
					<td>
						<input type="submit" value="1">
					</td>
					<td>
						<input type="submit" value="2"/>
					</td>
					<td>
						<input type="submit" value="3"/>
					</td>
					<td>
						<input type="submit" value="+"/>
					</td>
				</tr>
				<tr>
					<td>
						<input type="submit" value="4"/>
					</td>
					<td>
						<input type="submit" value="5"/>
					</td>
					<td>
						<input type="submit" value="6"/>
					</td>
					<td>
						<input type="submit" value="-"/>
					</td>
				</tr>
				<tr>
					<td>
						<input type="submit" value="7"/>
					</td>
					<td>
						<input type="submit" value="8"/>
					</td>
					<td>
						<input type="submit" value="9"/>
					</td>
					<td>
						<input type="submit" value="*"/>
					</td>
				</tr>
				<tr>
					<td colspan="2">
						<input type="submit" value="0"/>
					</td>
					<td>
						<input type="submit" value="."/>
					</td>
					<td>
						<input type="submit" value="/"/>
					</td>
				</tr>
			</table>
		</div>
	</body>
</html>